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Tryon Creek Watershed Baseline Assessment and Macroinvertebrate Study

Identification Information


Citation
Originator: West Multnomah Soil and Water Conservation District
Publish Date: April 2002
Online Link: None
Contact Information
Agency: Oregon Watershed Enhancement Board
Name: Ashley Seim
Job Position: Web Specialist
Telephone: 503-986-0186
E-Mail Address: ashley.seim@state.or.us
Description
Abstract: This Report contains the recommendations of many individuals as to directions that could be taken to prevent the decline of fish populations, usually seen as the ultimate measure of stream health. Please note that the recommendations and opinions expressed by individual contributors to this document are not necessarily endorsed by the WMSWCD ; readers will have to evaluate the validity/usefulness of each report on their own. Nor does WMSWCD have a clear sense of priority on how best to proceed, for at this point this is a baseline study. The Cities of Portland and Lake Oswego are the lead agencies with respect to water quality in the watershed and are hopefully taking steps to improve and protect Tryon Creek to satisfy both the Endangered Species Act (ESA) and Clean Water Act.«(.WA). The various recommendations in this Report, some conservative and some extreme, represent sincere professional and personal efforts to describe existing conditions. As with any such efforts involving many disciplines, finding agreement on technical issues will take time, effort, and a sense of cooperation to reach common goals. WMSWCD hopes to be part of a consensus-building effort, one that will bring together the various agencies at the local, state, and federal level to establish mutually agreed-upon environmental goals and to develop projects and practices to ensure the achievement of those goals. Readers may reach different conclusions as to the health of Tryon Creek and its tributaries ; however, this stream is classified by the Oregon Department of Fish and Wildlife (ODFW) as an impaired urban stream because out of 100 points (pristine conditions), it scored less than 50. The WMSWCD Board hopes that it has produced a document that will be used to support local government direction, especially improving storm water management, and that it will be an instrument of change to 4 focus concern where it is needed. The Board also hopes that this Baseline Assessment Report will enable local politicians and agency administrators to see why coordination of scientific efforts and a greater sharing of data can lead to more effective spending of funds to address environmental concerns. The Board will remain involved in the public dialogue on ways to improve the health of Tryon Creek and will continue its efforts to work with the Tryon Creek Watershed Council(TCWC) to influence actions that can be taken by various regulatory agencies, the Cities of Portland and Lake Oswego, and by individual landowners and developers.
Purpose: The purpose of stream baseline assessments such as this is to assemble basic stream health information in one central location. This often does not happen because different state and.local agencies gather information that oftentimes is not known to or shared by other agencies. As a result, actions to improve stream health often proceed without the desired comprehensive overview of the problems. Therefore, various and even conflicting opinions arise with regard to which studies are relevant, which water quality issues are most critical to address first, and, most importantly, what course of action should be pursued. This Baseline Report, made possible by Oregon Watershed Enhancement Board (OWEB) funding, is an attempt to bring the information contained in sundry documents together in order to develop more cohesive actions and ultimately to determine definitive goals to protect and enhance stream health. The West Multnomah Soil and Water Conservation District (WMSWCD) Board felt that the ultimate goal of not just stabilizing but improving this watershed was challenging because past projects have been conducted based on limited existing baseline information ; for example, it is not known if the present stream health is at least stable.
Time Period of Content:
Geographic Extent: Tryon Creek Watershed, Multnomah County, Willamette Basin
Status: Final
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Format: PDF
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Files
File Name File Type Category File Uploaded
Tryon Creek Watershed Baseline Assessment pt1of2.pdf Document File 1/27/2010 12:40:29 PM
Tryon Creek Watershed Baseline Assessment pt2of2.pdf Document File 1/27/2010 12:30:49 PM

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